Home / 25,754,548.80-38,636,488.80-12,942,811.20

Finding the Fourth Proportional to 25,754,548.80, 38,636,488.80 and 12,942,811.20

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Solution

The fourth proportional to 25,754,548.80, 38,636,488.80 and 12,942,811.20 is: 19,416,561.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,754,548.80 : 38,636,488.80 = 12,942,811.20 : x
  2. Step 2: Convert to fraction form
    25,754,548.80/38,636,488.80 = 12,942,811.20/x
  3. Step 3: Cross multiply
    25,754,548.80x = 38,636,488.80 × 12,942,811.20
  4. Step 4: Simplify right side
    25,754,548.80x = 500,064,779,969,314.50
  5. Step 5: Solve for x
    x = 500,064,779,969,314.50/25,754,548.80
  6. Step 6: Final answer
    x = 19,416,561.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.